Decorative oil filter cooling device



FIG. 1 is a front and right side perspective view of a decorative oil filter showing my new design;

FIG. 2 is a right side elevational view thereof, with the fastener in an alternative position; and,

FIG. 3 is a left side perspective view of FIG. 1.

The bottom and top views of the decorative oil filter cooling device form no part of the claimed design. 

The ornamental design for a decorative oil filter cooling device, as shown and described. 